One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,10)(4,8)(5,13)(6,9)(7,11)(12,15)(14,16)(17,18,22,26,23,27,21,36)(19,24,30,38,31,39,29,45)(20,32,35,40,33,46,34,25)(28,41,44,47,42,48,43,37)(1,3)(2,7)(4,11)(5,14)(6,12)(8,15)(9,16)(10,13)(17,19,22,30,23,31,21,29)(18,24,26,38,27,39,36,45)(20,28,35,44,33,42,34,43)(25,37,32,41,40,47,46,48)(17,20,21,34,23,33,22,35)(18,25,26,32,27,40,36,46)(19,28,29,43,31,42,30,44)(24,37,38,41,39,47,45,48)(1,4,6,5)(2,8,9,13)(3,11,12,14)(7,15,16,10)(20,33)(25,40)(28,42)(32,46)(34,35)(37,47)(41,48)(43,44)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.